孟德爾的遺傳定律適應(yīng)細(xì)胞核遺傳,因?yàn)榧?xì)胞核中染色體是成對(duì)存在,而孟德爾假設(shè)的時(shí)候也認(rèn)為基因是成對(duì)存在的,也就是染色體和基因的行為是平行關(guān)系,所以適應(yīng)與細(xì)胞核遺傳,可是細(xì)胞質(zhì)中（線粒體和葉綠體）基因不是成對(duì)存在的,所以不適應(yīng)細(xì)胞質(zhì)遺傳.